Plant- Parasitic Nematodes: A Serious Threat to Agricultural Crops in Saudi Arabia

Al-Yahya, F. A.

doi:10.18006/2018.6(3).628.632

JEBAS

2018

DOI: 10.18006/2018.6(3).628.632

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Plant- Parasitic Nematodes: A Serious Threat to Agricultural Crops in Saudi Arabia

F. A. Al-Yahya¹

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Cited by 2 publications

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The soil mite Cunaxa capreolus (Acari: Cunaxidae) as a predator of the root-knot nematode, Meloidogyne incognita and the citrus Nematode, Tylenchulus semipenetrans: Implications for biological control

Al-Azzazy

Al-Rehiayani

2022

Acarologia

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Plant-parasitic nematodes (PPNs) are dangerous pests, causing serious losses to the world’s agricultural crops. As soil-dwelling predaceous mites are known as potential biological control agents against many pests, we investigated the interactions between the cunaxid mite, Cunaxa capreolus (Berlese), and two plant parasites (root-knot nematode, Meloidogyne incognita (Kofoid and White) and the citrus Nematode, Tylenchulus semipenetrans Cobb under laboratory conditions. The predatory mite C. capreolus completed its life-span when fed on egg masses EM and second-stage juveniles J2 of M. incognita and J2 juveniles of T. semipenetrans as food sources in the laboratory in sealed arenas at 32ºC, 60% relative humidity in the dark. Males developed slightly faster than females irrespective of different prey. Adult females lived longer than males and showed a higher rate of food consumption. Life table parameters indicated that feeding C. capreolus on J2 juveniles of M. incognita and J2 juveniles of T. semipenetrans led to the highest reproduction rate (r<sub>m</sub>= 0.185 and 0.167 females/female/day), while feeding on EM of M. incognita gave the lowest reproduction rate (r<sub>m</sub>= 0.085). The results show that C. capreolus multiplied rapidly when juveniles of M. incognita and T. semipenetrans were offered as prey, indicating the mite’s potential for regulating population densities of these two pests. Future research should focus on understanding the crop and soil management applications required to enable this cunaxid mite and other predatory species to thrive. The implications of these results on biological control of plant parasitic nematodes are discussed.

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The soil mite Cunaxa capreolus (Acari: Cunaxidae) as a predator of the root-knot nematode, Meloidogyne incognita and the citrus Nematode, Tylenchulus semipenetrans: Implications for biological control

Al-Azzazy

Al-Rehiayani

2022

Acarologia

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Nematicidal Effects of Various Fractions of Curcuma longa against Meloidogyne incognita (root knot nematodes)

Rashid¹,

Panhwar²,

Farhan³

et al. 2021

Turkish Journal of Agricultural Engineering Research (TURKAGER)

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Parasitism is an important limiting factor responsible to cause damage to agricultural production. Plant parasitic root knot nematodes attack several economic crops in Pakistan. Plant- parasitic nematodes considerably add huge losses to economies in the top tomatoes crop producing countries throughout the world, instead of controlling the main pathogenic nematode species as usual; one of the innovative strategies to control plant-parasitic nematodes would be to manage diversity in communities in order to lead them to be less pathogenic. The plants and their materials are one of the potential remedies for nematodes management. Turmeric (Curcuma longa) along with its several biological applications may serve as a biopesticide against Meloidogyne incognita, a nematode species. A bioassay guided isolation of various fractions of turmeric was subjected to nematicidal activity in comparison with Azadirachta indica against Meloidogyne incognita larvae at the concentration of 0.25, 0.5, and 1% for 48 hours. Alongside, Larvae and eggs of nematodes were inoculated around the tomato seedlings in experiments with turmeric in a growth chamber. The control contains water instead of turmeric. Root gall severity and final nematode population were suppressed significantly. It was observed that the use of turmeric is very important for selected plant parasitic nematodes management.

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Plant- Parasitic Nematodes: A Serious Threat to Agricultural Crops in Saudi Arabia

Cited by 2 publications

References 3 publications

The soil mite Cunaxa capreolus (Acari: Cunaxidae) as a predator of the root-knot nematode, Meloidogyne incognita and the citrus Nematode, Tylenchulus semipenetrans: Implications for biological control

The soil mite Cunaxa capreolus (Acari: Cunaxidae) as a predator of the root-knot nematode, Meloidogyne incognita and the citrus Nematode, Tylenchulus semipenetrans: Implications for biological control

Nematicidal Effects of Various Fractions of Curcuma longa against Meloidogyne incognita (root knot nematodes)

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